Art Deco Diamond Trilogy Ring chain the first featuring 20 black

the first featuring 20 black enamel segments and an outer halo of natural pearls

Thouroughly recommend a browse of the Wikipedia page if you have a spare 10 mins

3 inch wearable length

but passed on in the Japanese craft tradition

Charming vintage ring hand-made in England in 1942

Art Deco Diamond Trilogy Ring chain the first featuring 20 blackDATE: Art Deco, c. 1920 A pretty antique ring set with three sparkly old cut diamonds, placed across a platinum millegrain rectangular head. With flared out shoulders and clean lines, typical of the Art Deco period. The band is crafted in 18k yellow gold and meets at the head. Dates from the 1920's. STONES Old Cut Diamonds MEASUREMENTS Head: 7. 4mm Rise off finger: 3mm Width of band: 1. 97mm WEIGHT 2. 16g MARKS Stamped 18ct PT CONDITION Excellent